From: Alexey Dobriyan <adobriyan@gmail.com>
To: Wen Yang <wenyang@linux.alibaba.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Sasha Levin <sashal@kernel.org>,
Xunlei Pang <xlpang@linux.alibaba.com>,
linux-kernel@vger.kernel.org,
Alexander Viro <viro@ftp.linux.org.uk>,
Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
stable@vger.kernel.org
Subject: Re: [PATCH 05/10] proc: use %u for pid printing and slightly less stack
Date: Thu, 3 Dec 2020 23:08:01 +0300 [thread overview]
Message-ID: <20201203200801.GA3323724@localhost.localdomain> (raw)
In-Reply-To: <20201203183204.63759-6-wenyang@linux.alibaba.com>
On Fri, Dec 04, 2020 at 02:31:59AM +0800, Wen Yang wrote:
> From: Alexey Dobriyan <adobriyan@gmail.com>
>
> [ Upstream commit e3912ac37e07a13c70675cd75020694de4841c74 ]
>
> PROC_NUMBUF is 13 which is enough for "negative int + \n + \0".
>
> However PIDs and TGIDs are never negative and newline is not a concern,
> so use just 10 per integer.
>
> Link: http://lkml.kernel.org/r/20171120203005.GA27743@avx2
> Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
> Cc: Alexander Viro <viro@ftp.linux.org.uk>
> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
> Cc: <stable@vger.kernel.org> # 4.9.x
A what? How does this belong to stable?
next prev parent reply other threads:[~2020-12-03 20:08 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-03 18:31 [PATCH 00/10] Cover letter: fix a race in release_task when flushing the dentry Wen Yang
2020-12-03 18:31 ` [PATCH 01/10] clone: add CLONE_PIDFD Wen Yang
2021-01-04 13:03 ` Greg Kroah-Hartman
2021-01-04 13:13 ` Christian Brauner
2021-01-04 13:17 ` Greg Kroah-Hartman
2021-01-04 13:19 ` Christian Brauner
2020-12-03 18:31 ` [PATCH 02/10] pidfd: add polling support Wen Yang
2020-12-03 18:31 ` [PATCH 03/10] proc: Pass file mode to proc_pid_make_inode Wen Yang
2020-12-03 18:31 ` [PATCH 04/10] proc: Better ownership of files for non-dumpable tasks in user namespaces Wen Yang
2020-12-03 18:31 ` [PATCH 05/10] proc: use %u for pid printing and slightly less stack Wen Yang
2020-12-03 20:08 ` Alexey Dobriyan [this message]
2020-12-03 18:32 ` [PATCH 06/10] proc: Rename in proc_inode rename sysctl_inodes sibling_inodes Wen Yang
2020-12-03 18:32 ` [PATCH 07/10] proc: Generalize proc_sys_prune_dcache into proc_prune_siblings_dcache Wen Yang
2020-12-03 18:32 ` [PATCH 08/10] proc: Clear the pieces of proc_inode that proc_evict_inode cares about Wen Yang
2020-12-03 18:32 ` [PATCH 09/10] proc: Use d_invalidate in proc_prune_siblings_dcache Wen Yang
2020-12-03 18:32 ` [PATCH 10/10] proc: Use a list of inodes to flush from proc Wen Yang
2020-12-17 2:26 ` [PATCH 00/10] Cover letter: fix a race in release_task when flushing the dentry Wen Yang
2020-12-31 9:22 ` Greg Kroah-Hartman
2021-01-04 4:15 ` Wen Yang
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